Resolva as equações:
2^x + ³ = (1/2)^5
9^x - ² = 729
0,25^x = 1/4
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1
( 2) ˣ ⁺³ = ( 1/2)⁵
( 2 ) ˣ⁺³ = ( 2 )⁻⁵
x + 3 = -5
x = -5 - 3
x = -8 ****
2
( 9 )ˣ⁻² = 729 = ( 3)⁶
( 3²)ˣ⁻² = ( 3)⁶
( 3)²ˣ⁻⁴ = ( 3 )⁶
2x - 4 = 6
2x = 6 + 4
2x = 10
x = 5 ***
3
(0,25)ˣ =( 1/4 )
( 0,25)ˣ = ( 0,25)¹
x = 1 ****
( 2) ˣ ⁺³ = ( 1/2)⁵
( 2 ) ˣ⁺³ = ( 2 )⁻⁵
x + 3 = -5
x = -5 - 3
x = -8 ****
2
( 9 )ˣ⁻² = 729 = ( 3)⁶
( 3²)ˣ⁻² = ( 3)⁶
( 3)²ˣ⁻⁴ = ( 3 )⁶
2x - 4 = 6
2x = 6 + 4
2x = 10
x = 5 ***
3
(0,25)ˣ =( 1/4 )
( 0,25)ˣ = ( 0,25)¹
x = 1 ****
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